<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>方法测试</title>
</head>
<body>
    <div id="root">
        <h2>当前计数：{{number}}</h2>
        <button v-on:click="add">+</button>
        <button v-on:click="sub">+</button>
    </div>
    <script src="../practice_project/js/vue.js"></script>
    <script>
        const obj = {
            number:0
        }
        const app = new Vue({
            el:"#root",
            data:obj,
            methods: {
                add:function(){
                    console.log('add被执行了');
                },
                sub:function(){  
                    console.log('sub被执行了');
                }
            }
        })
    </script>
</body>
</html>